Efficient heat exchange structure of heat exchanger of thermal power plant

By optimizing the structural design and component coordination of thermal power plant heat exchangers, the problems of uneven clean air flow and uneven hot and cold distribution were solved, efficient heat recovery and self-cleaning functions were achieved, and heat exchange efficiency was improved.

CN223376403UActive Publication Date: 2025-09-23赵飞
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Patent Information

Application Number
CN202422825681.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-20
Publication Date
2025-09-23
Estimated Expiration
2034-11-20

AI Technical Summary

Technical Problem

The existing heat exchange structure in thermal power plants has problems such as uneven clean air flow, unstable air pressure, and uneven hot and cold distribution, resulting in low heat exchange efficiency.

Method used

It adopts the design of heat exchange tube box, clean air box, transfer box, heat exchange tube bundle, partition plate, baffle, exhaust gas inlet pipe, exhaust gas outlet pipe, clean air inlet pipe, clean air outlet pipe and flow equalizing component, combined with the combination of external heat dissipation fins, perforated plate, rotating rod, drive motor, slide plate, reciprocating screw, sliding sleeve, cleaning port and brush, and through the cooperation of eddy current fan blades and solenoid valve, it can achieve uniform distribution of clean air and efficient heat exchange.

Benefits of technology

The heat exchange efficiency between clean gas and high-temperature exhaust gas is improved, the gas temperature uniformity and flow rate stability are ensured, the heat exchange effect is enhanced, and the self-cleaning function of the device is realized.

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Abstract

The utility model discloses a thermal power plant heat exchanger efficient heat exchange structure which comprises a heat exchange tube box, one end of the heat exchange tube box is fixedly connected with a gas purification box, the end, away from the gas purification box, of the heat exchange tube box is fixedly connected with a transfer box, and a heat exchange tube bundle used for being communicated with the gas purification box and the transfer box is arranged in the heat exchange tube box. A partition plate is fixedly connected to one side of the inner side wall of the gas purification box, baffle plates are evenly arranged on the outer side wall of the heat exchange tube bundle in the length direction of the heat exchange tube bundle, and a cleaning assembly used for cleaning the heat exchange tube bundle located on the two sides of the baffle plates is arranged in the heat exchange tube box. According to the efficient heat exchange structure of the heat exchanger of the thermal power plant, through cooperation of the heat exchange pipe box, the gas purification box, the transfer box, the heat exchange pipe bundle, the partition plate, the baffle plate, the waste gas inlet pipe, the waste gas outlet pipe, the purified gas inlet pipe, the purified gas outlet pipe and the flow equalizing assembly, the heat exchange efficiency of purified gas and high-temperature waste gas is effectively improved.
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